Hello,
From the symptoms it sounds like an inflamed lymph node or a cyst. Apply warm compresses and avoid messing with it. Also keep an eye on it. If you notice changes in the color, height, size or shape, you should have a dermatologist evaluate it. You also should have it checked if it bleeds, oozes, itches, appear scaly, or become tender or painful

It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.

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